CVE DATABASE / CVE-2013-1347
CVE-2013-1347
Microsoft Internet Explorer Remote Code Execution Vulnerability
CVSS 8.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-03.
Federal remediation due 2022-03-24.
Required action: Apply updates per vendor instructions.
Summary
Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.
CVSS 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft internet explorerMicrosoft windows 7Microsoft windows server 2003Microsoft windows server 2008Microsoft windows vistaMicrosoft windows xp
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References
- http://technet.microsoft.com/security/advisory/2847140
- http://www.exploit-db.com/exploits/25294
- http://www.us-cert.gov/ncas/alerts/TA13-134A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-038
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16727
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-1347
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.